Question

x² -8x + 12 = -3?

Answer 1

use ax^2+bx+c=0 equation,

Answer 2

x² -8x + 12 = -3
x² -8x + 15 = 0
x² -5x-3x + 15 = 0
x(x-3)-5(x-3)=0
(x-5)(x-3)=0

(x-5)=0 or (x-3)=0
x=5 or x=3

Answer 3

thanks you